(1981). Italiano: AAC sistema d'insegnamento 1/2. : an audiovisual self-study course for beginners of any mother tongue. Zurich : Philips.
Chicago Style CitationItaliano: AAC Sistema D'insegnamento 1/2. : An Audiovisual Self-study Course for Beginners of Any Mother Tongue. Zurich : Philips, 1981.
MLA CitationItaliano: AAC Sistema D'insegnamento 1/2. : An Audiovisual Self-study Course for Beginners of Any Mother Tongue. Zurich : Philips, 1981.
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